BIO 152 (With Complete Solutions)

Human Brain Divisions correct answers cerebrum, brainstem, diencephalon, cerebellum What protects the brain? correct answers skull, meninges, and BBB Ventricles of the brain correct answers cavities within the brain filled with cerebrospinal fluid; 2 lateral, 3rd ventricle, 4th ventricle Me...

This is the most superficial layer of the brain meninges correct answers Dura Mater (Menix) This layer of the meninges is tightly attached to the brain. correct answers Pia mater (Menix) The _______ fissure separates the right and left cerebral hemispheres. correct answers median The ______...

What sense does not have specialized sense organs? correct answers Touch What senses contain specialized receptor cells via specialized somatic and visceral afferents? correct answers A&C (Smell and Equilibrium) The posterior portion of the outer fibrous layer of the eye is called correct ans...

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the _____. correct answers hyperpolarization of the neuron The operation of the sodium-potassium "pump" moves _____. correct answers sodium i...

All of the statements below are true of bacteria except A) bacteria are usually unicellular and have no organelles. B) bacteria gain genetic diversity through sexual reproduction. C) bacteria are the simplest life forms on earth. D) bacteria are the most abundant form of life on earth. corre...

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the _____. correct answers hyperpolarization of the neuron The operation of the sodium-potassium "pump" moves _____. correct answers sodium i...

Which of the following is not an observation or inference on which natural selection is based? a. There is heritable variation among individuals. b. Poorly adapted individuals never produce offspring. c. Species produce more offspring than the environment can support. d. Individuals whose chara...

What are the elements of scientific inquiry? correct answers Observation Question Hypothesis Predictions Experimental/Observational Study Analyze Results Conclusion Control group correct answers Must be in the same environment as the experimental group Matched with the experimental group e...

Scientists hypothesize that vertebrate jaws evolved from: a. Vertebrae b. Gill arches c. Teeth d. Scales e. Skin correct answers b Which of the following is not a unifying feature of all chordates? a. Cranium b. Notochord c. Post-anal tail d. Pharyngeal gill slits (or pouches) correct an...

e. All of the choices are correct except for myosin correct answers 9. The thin filament in skeletal muscle contains _____ molecules. a. actin b. myosin c. troponin d. tropomyosin e. All of the choices are correct except for myosin a. actin, myosin correct answers 9. Cross-bridges form bet...

This layer of the meninges is tightly attached to the brain correct answers Pia Mater (menix) The __________ fissure separates the right and left cerebral hemispheres correct answers Median longitudinal Describe the function of the brain ventricles correct answers There's 4 ventricles in the ...

This is the most superficial layer of the brain meninges. correct answers Dura mater (menix) The ______ fissure separates the cerebrum from the cerebellum correct answers Transverse What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. correct answers ...

what senses contain specialized receptors via specialized somatic and visceral afferents? correct answers smell, equilibrium the posterior portion of the outer fibrous layer of the eye is called the correct answers sclera what portion of the eye supplies blood supply to the other layers of the...

The final breakdown of dead plant and animals is performed by correct answers saprophytes what is the function of the root correct answers - Holds the plant to ground - collects nutrients - collects water the characteristics that make an angiosperm different from the gymnosperms? correct ans...